KTM 250 SX Specs

2016 - 2023 • 3 variants

The KTM 250 SX is a motocross bike produced from 2016 to 2023 across 3 variants. It is powered by a reed intake displacing 249.0 cc. Peak torque is 9.2 Nm.

About the KTM 250 SX

The KTM 250 SX is a Cross / motocross motorcycle from KTM, produced from 2000 to 2023. This page provides a comprehensive technical reference for the KTM 250 SX, covering all available specification data including engine configuration, displacement, power output, dimensions, weight, and chassis details. Use the year selector above to find specifications for a specific model year. All data is sourced from manufacturer specifications and is intended as a technical reference for riders, mechanics, and enthusiasts.

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KTM 250 SX by Year

2023 KTM 250 SX View specs →

2022 KTM 250 SX View specs →

2016 KTM 250 SX View specs →

Spec Evolution

How key specs changed across production years.

Specification	2000	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
Displacement (cc)	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.00 cc	249.0 cc	249.0 cc	249.0 cc	249.0 cc	249.0 cc
Engine Type	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke	Single cylinder, two-stroke
Ground Clearance (in.)	-	15.2 inches	15.2 inches	15.2 inches	15.2 inches	15.2 inches	15.2 inches	15.2 inches	15.2 inches	15.2 inches	15.2 inches	15.2 inches	15.2 inches	15.2 inches	15.2 inches	15.2 inches	14.8 inches ↓	14.8 inches	14.8 inches	14.8 inches	14.8 inches	13.9 inches ↓
Ground Clearance (mm)	-	385 mm	385 mm	385 mm	385 mm	385 mm	385 mm	385 mm	385 mm	385 mm	385 mm	385 mm	385 mm	385 mm	385 mm	385 mm	375 mm ↓	375 mm	375 mm	375 mm	375 mm	354 mm ↓
Brakes - Front Diameter (in.)	-	10.2 inches	8.5 inches ↓	8.5 inches	10.2 inches ↑	-	10.2 inches	10.2 inches	-	10.2 inches	10.2 inches	8.7 inches ↓	10.2 inches ↑	10.2 inches	10.2 inches	10.2 inches	10.2 inches	-	-	-	-	-
Brakes - Front Diameter (mm)	-	260 mm	216 mm ↓	216 mm	260 mm ↑	-	260 mm	260 mm	-	260 mm	260 mm	220 mm ↓	260 mm ↑	260 mm	260 mm	260 mm	260 mm	-	-	-	-	-
Brakes - Rear Diameter (in.)	-	8.7 inches	10.2 inches ↑	10.2 inches	8.7 inches ↓	-	8.7 inches	8.7 inches	-	8.7 inches	8.7 inches	8.3 inches ↓	8.7 inches ↑	8.7 inches	8.7 inches	8.7 inches	8.7 inches	-	-	-	-	-
Brakes - Rear Diameter (mm)	-	220 mm	260 mm ↑	260 mm	220 mm ↓	-	220 mm	220 mm	-	220 mm	220 mm	210 mm ↓	220 mm ↑	220 mm	220 mm	220 mm	220 mm	-	-	-	-	-
Comments	-	-	-	-	-	-	-	-	-	With reverse. German brand.	-	-	German brand.	-	-	-	-	-	-	-	-	-
Stroke	2	2	2	2	4 ↑	2 ↓	2	2	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Frame Type	-	-	Chromium molybdenum	Chromium molybdenum	Central double-cradle-type 25 CrMo4	Central double-cradle-type 25CrMo4	Central double-cradle-type 25CrMo4	Central double-cradle-type 25CrMo4. Aluminium subframe.	Central double-cradle-type 25CrMo4	Central double-cradle-type 25CrMo4. Aluminium subframe.	Central tube frame made of chrome molybdenum steel tubing	Central tube frame made of chrome molybdenum steel tubing	Central tube frame made of chrome molybdenum steel tubing	Central tube frame made of chrome molybdenum steel tubing	Chrome-molybdenum steel central-tube	Chrome-molybdenum steel central-tube	Chrome-molybdenum steel central-tube	Chrome-molybdenum steel central-tube	Chrome-molybdenum steel central-tube	Chrome-molybdenum steel central-tube	Central double-cradle-type 25CrMo4 steel	Central double-cradle-type 25CrMo4 steel
Seat Height	-	925 mm / 36.4 in.	925 mm / 36.4 in.	925 mm / 36.4 in.	925 mm / 36.4 in.	925 mm / 36.4 in.	960 mm / 37.8 in. ↑	985 mm / 38.8 in. ↑	985 mm / 38.8 in.	985 mm / 38.8 in.	992 mm / 39.1 in. ↑	992 mm / 39.1 in.	992 mm / 39.1 in.	992 mm / 39.1 in.	992 mm / 39.1 in.	992 mm / 39.1 in.	960 mm / 37.8 in. ↓	960 mm / 37.8 in.	950 mm / 37.4 in. ↓	850 mm / 33.5 in. ↓	850 mm / 33.5 in.	958 mm / 37.7 in. ↑
Dry Weight	101 kg / 222.7 lbs	97.2 kg / 214.3 lbs ↓	97.7 kg / 215.4 lbs ↑	97.7 kg / 215.4 lbs	97.7 kg / 215.4 lbs	97.7 kg / 215.4 lbs	95.4 kg / 210.3 lbs ↓	95.4 kg / 210.3 lbs	95.4 kg / 210.3 lbs	93.8 kg / 206.8 lbs ↓	97 kg / 213.8 lbs ↑	97 kg / 213.8 lbs	96.3 kg / 212.3 lbs ↓	96.3 kg / 212.3 lbs	95.9 kg / 211.4 lbs ↓	95.4 kg / 210.3 lbs ↓	95.4 kg / 210.3 lbs	95 kg / 209.4 lbs ↓	95.5 kg / 210.5 lbs ↑	87.5 kg / 192.9 lbs ↓	95.5 kg / 210.5 lbs ↑	99.4 kg / 219.1 lbs ↑
Engine Detail	-	-	-	-	-	-	-	-	-	TVC power valve	Reed intake and exhaust control	Reed intake.	Reed intake.	Reed intake.	Reed intake.	Reed intake.	Reed intake	Reed intake	Reed intake	Reed intake	Reed intake	Reed intake
Wheelbase	1,481 mm / 58.3 in.	1,475 mm / 58.1 in.	1,475 mm / 58.1 in.	1,475 mm / 58.1 in.	1,475 mm / 58.1 in.	1,475 mm / 58.1 in.	1,475 mm / 58.1 in.	1,475 mm / 58.1 in.	1,475 mm / 58.1 in.	1,475 mm / 58.1 in.	1,495 mm / 58.9 in. ↑	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1,495 mm / 58.9 in.	1495 mm / 58.9 in. ↑	1495 mm / 58.9 in.	1495 mm / 58.9 in.	1495 mm / 58.9 in.	1495 mm / 58.9 in.
Brakes - Front	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc. Four-piston calipers.	Single disc. Four-piston calipers.	Single disc. Four-piston calipers.	Single disc. Four-piston calipers.	Single disc. Four-piston calipers.	Single disc. Four-piston calipers.	Single disc. Four-piston calipers.	Single disc. Four-piston calipers.	Single disc	Single disc	Single disc
Fuel Capacity	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	8.00 litres / 2.11 gallons ↑	8.00 litres / 2.11 gallons	7.50 litres / 1.98 gallons ↓	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.50 litres / 1.98 gallons	7.00 litres / 1.85 gallons ↓	7.00 litres / 1.85 gallons	7.00 litres / 1.85 gallons	7.00 litres / 1.85 US gallons	7.50 litres / 1.98 US gallons ↑	7.50 litres / 1.98 US gallons	7.50 litres / 1.98 US gallons	7.20 litres / 1.90 US gallons ↓
Brakes - Rear	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.	Single disc. Two-piston calipers.	Single disc	Single disc	Single disc
Suspension - Front	-	-	WP-USD 48/26 MA/PA	WP-USD 48 mm (1.89´)	WP-USD 48 mm (1.89 inches)	WP USD 48 mm	WP USD 48 mm	WP USD, 48 mm	WP USD 48 mm fork	WP USD 48 mm fork	WP Suspension Up Side Down 4860 MXMA CC ↑	WP ?Suspension Up Side Down 4860 MXMA CC	WP ?Suspension Up Side Down 4860 MXMA CC	WP ?Suspension Up Side Down 4860 MXMA CC	WP USD closed cartridge ? 48 mm ↓	WP USD closed cartridge ? 48 mm	WP-USD, AER 48, ? 48 mm	WP-USD, AER 48, Ø 48 mm	WP XACT-USD, Ø 48 mm	WP XACT-USD, Ø 48 mm	WP XACT-USD, Ø 48 mm	WP XACT-USD, Ø 48 mm
Suspension - Rear	-	-	WP-PDS-DA shock absorber	WP-PDS shock absorber	WP-PDS shock absorber	WP monoshock PDS	WP monoshock PDS	WP monoshock PDS	WP PDS shock absorber	WP PDS shock absorber	WP Suspension 5018 BAVP DCC	WP ?Suspension 5018 BAVP DCC	WP ?Suspension 5018 BAVP DCC	WP ?Suspension 5018 BAVP DCC	WP shock absorber with linkage	WP shock absorber with linkage	WP shock absorber with linkage	WP shock absorber with linkage	WP XACT Monoshock with linkage	WP XACT Monoshock with linkage	WP XACT Monoshock with linkage	WP XACT Monoshock with linkage
Fuel System	-	Carburettor	Carburettor	Carburettor. Keihin PWK 38 S AG	Carburettor. Keihin PWK 36 S AG ↓	Carburettor. Keihin PWK 36 S AG	Carburettor. Keihin PWK 36 S AG	Carburettor. Keihin PWK 36 S AG	Carburettor. Keihin PWK 36S AG	Carburettor. Keihin PWK 36S AG	Carburettor. Keihin PWK 36S AG	Carburettor	Carburettor	-	Carburettor. Keihin PWK 38S AG	Carburettor. Mikuni TMX	Carburettor. Mikuni TMX. Kokusan EMS.	Carburettor. Mikuni TMX. Kokusan EMS.	Carburettor. Mikuni TMX. Kokusan EMS.	Carburettor. Mikuni TMX.	Carburettor. Mikuni TMX.	-
Colours	Orange/silver	-	-	-	-	-	-	Orange/black	Orange	Orange	Orange/black/white	Orange/black	Orange/black	Orange/black	Orange/white/black	Orange/white/black	Orange/white/black	Orange/white/black	Orange/white/black	Orange/white/black	Orange/white/blue	Orange/white/grey
Clutch	-	-	-	Wet multi-disc clutch, operated hydraulically	Wet multi-disc clutch, operated hydraulically	Wet multi-disc clutch, operated hydraulically	Wet multi-disc clutch, operated hydraulically	Wet multi-disc clutch, operated hydraulically	Wet mDouble disk clutch, operated hydraulically	Wet multi-disc clutch, operated hydraulically	Wet multi-disc clutch / hydraulically operated	Wet multi-disc clutch / hydraulically operated	Wet multi-disc clutch / hydraulically operated	Wet multi-disc clutch / hydraulically operated	Wet, DDS multi-disc clutch, Brembo hydraulics	Wet, DDS multi-disc clutch, Brembo hydraulics	Wet, DDS multi-disc clutch, Brembo hydraulics	Wet, DDS multi-disc clutch, Brembo hydraulics	Wet, DDS multi-disc clutch, Brembo hydraulics	Wet, DDS multi-disc clutch, Brembo hydraulics	Wet, DDS multi-disc clutch, Brembo hydraulics	Wet, DDS multi-disc clutch, Brembo hydraulics
Final Drive	Chain	Chain	Chain	Chain	-	Chain	-	Chain	Chain	Belt	Chain	Chain	Chain	Chain	Chain	Chain	Chain	Chain (final drive)	Chain (final drive)	Chain (final drive)	Chain (final drive)	Chain (final drive)
Rims	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	CNC machined hubs. Excel rims. Wire spoked.	CNC machined hubs. Excel rims. Wire spoked.	CNC machined hubs. Excel rims. Wire spoked.	CNC machined hubs. Excel rims. Wire spoked. Dunlop Geomax MX 3S tires.	CNC machined hubs. Excel rims. Wire spoked. Dunlop Geomax MX 3S tires.	CNC machined hubs. Excel rims. Wire spoked. Dunlop Geomax MX 3S tires.	CNC machined hubs. Excel rims. Wire spoked. Dunlop Geomax MX 3S tires.
Height	-	-	-	-	-	-	-	-	-	-	1,146 mm / 45.1 in.	1,140 mm / 44.9 in.	1,120 mm / 44.1 in. ↓	-	-	-	-	-	-	-	-	-
Length	-	-	-	-	-	-	-	-	-	1,400 mm / 55.1 in.	2,065 mm / 81.3 in. ↑	2,090 mm / 82.3 in. ↑	2,120 mm / 83.5 in. ↑	-	-	-	-	-	-	-	-	-
Wet Weight	-	-	-	-	-	-	-	-	-	104.0 kg / 229.3 lbs	292.1 kg / 643.9 lbs ↑	-	112.0 kg / 246.9 lbs	-	-	-	-	-	-	-	-	-
Compression Ratio	-	-	-	-	-	-	-	-	-	-	8.3:1	10.6:1 ↑	-	-	-	-	-	-	-	-	-	-
Tyres - Front	-	80/100-21	-	-	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	80/100-21	100/80-17 ↑	110/70-17 ↑	-	-	-	-	-	80/100-21	80/100-21	80/100-21	80/100-21
Width	-	-	-	-	-	-	-	-	-	960 mm / 37.8 in.	1,204 mm / 47.4 in. ↓	830 mm / 32.7 in. ↑	840 mm / 33.1 in. ↑	-	-	-	-	-	-	-	-	-
Tyres - Rear	-	110/90-19	-	-	110/90-19	110/90-19	110/90-19	110/90-19	110/90-19	110/90-19	110/90-19	110/80-17	130/70-17 ↑	-	-	-	-	-	-	-	-	-
Primary Drive	-	-	-	-	-	-	-	-	-	CVT with rear gear	13:48. Primary 26:72.	13:48. Primary drive: 26:72.	13:48. Primary drive: 26:72.	13:48. Primary drive: 26:72. 520 X-ring chain.	13:48. Primary drive: 26:72. 520 X-ring chain.	13:48. Primary drive: 26:72. 520 X-ring chain.	13:48. Primary drive: 26:72. 520 X-ring chain.	13:48. Primary drive: 26:72. 520 X-ring chain.	13:48. Primary drive: 26:72. 520 X-ring chain.	13:48. Primary drive: 26:72. 520 X-ring chain.	5/8 x 1/4´ chain. ↓	5/8 x 1/4´ chain.
Rake	-	-	24.0°	27.0° ↑	26.5° ↓	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.5°	26.1° ↓	26.1°
Exhaust	-	-	-	-	Aluminum	Aluminium	Aluminium	Aluminium	Aluminium	Aluminium	-	-	Stainless steel exhaust	-	-	-	-	-	-	-	-	-
Trail	-	-	63 mm / 2.5 in.	116 mm / 4.6 in. ↑	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Wheel Travel - Front	-	300 mm / 11.8 in.	-	-	300 mm / 11.8 in.	115 mm / 4.5 in. ↓	300 mm / 11.8 in. ↑	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	205 mm / 8.1 in. ↓	300 mm / 11.8 in. ↑	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	310 mm / 12.2 in. ↑	310 mm / 12.2 in.	310 mm / 12.2 in.	310 mm / 12.2 in.	310 mm / 12.2 in.
Wheel Travel - Rear	-	335 mm / 13.2 in.	-	335 mm / 13.2 in.	335 mm / 13.2 in.	185 mm / 7.3 in. ↓	335 mm / 13.2 in. ↑	335 mm / 13.2 in.	335 mm / 13.2 in.	335 mm / 13.2 in.	335 mm / 13.2 in.	185 mm / 7.3 in. ↓	317 mm / 12.5 in. ↑	317 mm / 12.5 in.	300 mm / 11.8 in. ↓	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.	300 mm / 11.8 in.
Ignition	-	-	-	Kokusan digital 2K-1	Kokusan digital 2K-1	Kokusan digital 2K-1	Kokusan digital magneto CDI	Kokusan	Kokusan	-	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan	Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment, type Kokusan	Kokusan EMS.	Kokusan EMS.	Vitesco Technologies EMS
Starter	Kick	-	-	Kick	Kick	Kick	Kick	Kick	Kick	Kick	Kick	Kick	Kick	Kick	Kick	Kick	Kick	Kick	Kick	Kick	Kick	Electric

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